Jar



FIG. 1 is a front elevation view of a jar showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is another side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a side perspective view thereof.

The broken lines in the drawings showing of the jar illustrate the portions of the jar that form no part of the claimed design. 

CLAIM The ornamental design for a jar, as shown and described. 